Mattress cushion



FIG. 1 is a top plan view of a mattress cushion, showing our new design;

FIG. 2 is an elevational view of the right hand side thereof, the opposite left hand side being essentially identical;

FIG. 3 is an elevational view of the top side thereof;

FIG. 4 is an elevational view of the bottom side thereof;

FIG. 5 is a fragmentary top side perspective view thereof taken in the portion indicated by numeral 5 in FIG. 1;

FIG. 6 is a side elevational view of the portion shown in FIG. 5;

FIG. 7 is a top plan view of the portion shown in FIG. 5;

FIG. 8 is a bottom plan view of the portion shown in FIG. 5;

FIG. 9 is a fragmentary top side perspective view thereof taken in the portion indicated by numeral 9 in FIG. 1;

FIG. 10 is a side elevational view of the portion shown in FIG. 9;

FIG. 11 is a top plan view of the portion shown in FIG. 9 ; and,

FIG. 12 is a bottom plan view of the portion shown in FIG. 9. 

The ornamental design for a mattress cushion, as shown and described. 